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Benefits of Usability |
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Reduced
development costs
Usability
can help to reduce development costs:
-
Design
problems can be detected earlier in the development process
through usability testing with actual users. Furthermore, an
early definition of user goals and usability objectives can
also help reduce the development process and save both time
and money. The
value of usability in improving the quality of systems is confirmed
by a survey by Keil and Carmel (1995), which showed that the
probability of project success is improved by user-centred design.
- The
development process is frequently focused on the technical and
functional specifications. However, usability specifications
should not be overlooked. Usability methods can reduce
development time and cost.
- According
to IBM (1999), usability “makes business effective. It makes
business efficient. It makes business sense”.
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